package lab02.test02;
import java.util.Scanner;
/**
 * Created by JAVA on 2017/10/13.
 */
public class Test02 {
    public static void main(String[] args) {
        Circular circular=new Circular();
        System.out.println("输入圆的半径：");
        Scanner input=new Scanner(System.in);
       circular.setR(input.nextDouble());
        circular.count();
    }
}

